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Swifty's Notes
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A Changing Earth
Theories that Earth's surface has evolved over geologic time due to natural processes are well supported by physical evidence. Listed...
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The Rock Cycle
ROCK – naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter, or glass MAGMA – melted rock below...
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Newton's 3 Laws of Motion
Newton’s Laws of Motion In the late 1600’s, Isaac Newton described the relationship between the forces exerted on an object and its...
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Motion
Net Force Objects are often under the influence of multiple forces at any given time. For example, when you throw a ball, the ball is...
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Forces
FORCES A force is a push or a pull on an object; when one object pushes or pulls another we say that it exerts a force. There are...
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Heat
THERMAL ENERGY All matter is made of atoms; and those atoms are constantly in motion. Either vibrating in place such as in a solid...
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Energy Transformations
CONSERVATION OF ENERGY The energy in a system can change as circumstances change. For example, imagine standing in a second-floor window...
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Wave Interactions
Light waves and sound waves both interact with their surroundings in a number of ways. When they encounter a surface or a new medium...
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Radiant Energy
Radiant Energy Radiant energy is transferred in the form of electromagnetic waves. Electromagnetic waves consist of oscillating (moving...
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Changes in Matter
Chemical Changes Chemical changes occur as a result of a chemical reaction, transforming the chemical properties of a substance. When...
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